Which of the following research topics is too broad?
a. the music industry has a long and colorful history and includes many types of companies and professionals who create, market, and sell music of all genres.
b. record labels first rose to prominence in the mid-twentieth century and became the largest player in the music business; today, they have less importance in the industry.
c. the life of a rock band's tour manager can be challenging and sometimes difficult, but it is never

the star of david was known as the jewish star : d

there are several different forms of presenting this; each has a very specific format. plays have a very simple format; teleplays, for television shows, or screenplays, for movies, have more complex and strict rules for formatting.

drama

the first of these to be written for the express purpose of being performed were created by the greeks. many of our modern terms derive from greek origins.

comedy

in the greek sense, a play that doesn't end in death. in modern usage, refers to a play that is humorous.

tragedy

in the greek sense, a play that ends with the death of at least one of the main characters. in modern usage, refers to a play that doesn't have a happy ending.